Mimas, at the upper right, has an enormous impact crater on one side, and Tethys, at the bottom, has a huge rift zone called Ithaca Chasma that runs nearly three-quarters of the way around the moon.
右上角的是土卫一,在它上面的一边上,有着一个巨大陨石坑;底部的是土卫三,上面有一个巨大的、称为伊萨卡峡谷的裂谷带,它几乎占了该卫星绕行路线的四分之三。
On moon Mimas, the enormous Herschel Crater spans 80 miles (130 kilometers) -one-third of the moon's entire surface.
在土星的卫星土卫一上,巨大的赫歇尔陨石坑跨越了80英里(130公里),占据了这个卫星整个表面的三分之一。
Subtle color differences on Saturn's moon Mimas are apparent in this false-color view of Herschel Crater captured by NASA's Cassini spacecraft during its closest-ever flyby of that moon.
这是土星的卫星土卫一(米玛斯)上赫歇尔环形山的假彩色照片,由NASA的卡西尼飞船在最接近土卫一飞行的时候拍摄,照片上细微的颜色差别很明显。
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